pattent is locked in maxx AX353

sir i am using MAXX AX 353 android 2.3.
yesterday my phone is locked
i am try to factory reset to used power button + vol+ but is show this option spreadtrum factory test ,phone test ,factury test
full phone test
view phone test result
item test
BT EUT
ctp calibrate
exit
and another whay to try power button + vol - but is show ! symbol
pleas tell him sir how to reset